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Miller - Smith Toughcut™ acetylene outfit, CGA 300 MB54A-300

Part Number: MB54A-300
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Miller - Smith Toughcut™ Medium Duty Acetylene Outfit, CGA 300 MB54A-300

Versatile Toughcut outfits include many features found on more expensive outfits. The Toughcut series is perfect for a multitude of applications such as farm, ranch, hobby, automotive, refrigeration, light fabrication, and repair. Outfits feature rugged, reliable Series 30™ medium-duty regulators, accessories and can cut up to 6” with optional tips.

Overview of Parts Included:

Cutting Tip

Graf-Tite® soft seats Resilient Graf-Tite® seat material protects tip seating areas from nicking to maintain positive seating. Requires less replacement than metal-to-metal seat designs. Compressible soft seats are practically indestructible and withstand extremely high temperatures, resulting in longer tip life.

In-tip mix Each tip is a precision-engineered mixer for combining preheat oxygen and fuel gas to attain maximum efficiency. Adds resistance to flashback.

Slip-in tip design  After the first tightening with a wrench, only hand tightening is required to seat the tip, saving time when changing tips. Quick and easy tip changes encourage the use of the right tip for the job.

Removable high-pressure seat Allows cleaning from the back of the tip.


Torch Handles

Internal threads Threads are protected from damage if the torch is dropped, eliminating costly torch repair, replacement or downtime.

Double-tube handles Tube-within-a-tube design provides strength while reducing weight. The internal tube is silver brazed for extra protection, strength and leak resistance.

Adjustable valve resistance Special PTFE packing provides a gas-tight seal while allowing the “drag” to be adjusted to the individual preference.

Stainless steel ball-style valves Corrosion-resistant balls and brass seating surfaces provide gall resistance and positive, chatter-free seating.

Replaceable hose connections are easily replaced if damaged.


Cutting Attachment

Slip-in cutting tips Save time when changing tips — no wrench needed. Resilient Graf-Tite® seat material protects tip from nicking and maintains positive seating. Requires less replacement than metal-to-metal seat designs.

Three-tube construction Gases are kept separated, eliminating mixing tube burnout. Our thick-wall, high-capacity stainless steel tubes provide high gas flow and superior strength.

Ease-on oxygen cutting valve Allows smooth piercing and keyhole free starts and restarts.

Triple o-ring seal Provides positive gas seal and allows rotation.

Shop all gas/oxy acetylene welding accessories available at Welders Supply.

What's Included:

  • Torch Handle (CS5A)
  • Cutting Attachment (CC509P)
  • Oxygen Regulator (30-100-540)
  • Acetylene Regulator (30-15-300)
  • Cutting Tip (MC12-1)
  • Welding tip (MW205)
  • 20-ft 3/16" Twin Hose (RL935)
  • Friction Lighter (16571)
  • Safety Glasses (78000)
  • Regulator Mount Check Valves (H698)
  • Operations Manual


Height: 16.50 Inches
Width: 8.75 Inches
Length: 23.00 Inches
Weight: 15 Lb(s) 0 Oz

Product Questions and Answers

Q - How long is the hose with this? A - 20 ft.
Q - Will the regulators in this kit work with the Smith Little Torch? A - Yes, they will.

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